Done, thanks for the assistance Chris and everyone. https://bugs.launchpad.net/nova/+bug/1718455
Steven Searles On 9/20/17, 10:44 AM, "Chris Friesen" <chris.frie...@windriver.com> wrote: > >I think that points to a problem in nova. Could you open a bug at >"bugs.launchpad.net/nova/+filebug" and report the bug number in this thread? > >Thanks, >Chris > >On 09/19/2017 10:42 PM, Steven D. Searles wrote: >> Chris, You are definitely on to something here. When I create the instances >> individually this condition does NOT occur. I confirmed this by creating 20 >> instances with openstack server create all on the same host. I then set the >> host to disabled in horizon and used the migrate host button. This time the >> scheduler worked as expected, migrated one at a time as specified in the >> controller max_concurrent_live_migrations=1 and queued the rest until they >> all completed and the host was empty. >> >> Steven Searles >> >> >> >> -----Original Message----- >> From: Steven D. Searles [mailto:ssear...@zimcom.net] >> Sent: Wednesday, September 20, 2017 12:16 AM >> To: Chris Friesen <chris.frie...@windriver.com>; >> openstack@lists.openstack.org >> Subject: Re: [Openstack] Pike NOVA Disable and Live Migrate all instances. >> >> I did. I will spawn a few singles and see if it does the same thing. >> >> >> Steven Searles >> >> >> >> >> -----Original Message----- >> From: Chris Friesen [mailto:chris.frie...@windriver.com] >> Sent: Tuesday, September 19, 2017 11:17 PM >> To: openstack@lists.openstack.org >> Subject: Re: [Openstack] Pike NOVA Disable and Live Migrate all instances. >> >> On 09/19/2017 05:21 PM, Steven D. Searles wrote: >>> Hello everyone and thanks in advance. I have Openstack Pike >>> (KVM,FC-SAN/Cinder) installed in our lab for testing before upgrade >>> and am seeing a possible issue with disabling a host and live >>> migrating the instances off via the horizon interface. I can migrate >>> the instances individually via the Openstack client without issue. It >>> looks like I might be missing something relating to concurrent jobs in >>> my nova config? Interestingly enough when a migrate host is attempted via >>> horizon they all fail. Migrating a single instance through the horizon >>> interface does function. Below is what I am seeing in my scheduler log on >>> the >>> controller when trying to live migrate all instances from a disabled >>> host. I believe the last line to be the obvious issue but I can not >>> find a nova variable that seems to relate to this. Can anyone point me in >>> the right direction? >> >> There's a default limit of 1 outgoing live migration per compute node. I >> don't think that's the whole issue here though. >> >>> *2017-09-19 19:02:30.588 19741 DEBUG nova.scheduler.filter_scheduler >>> [req-4268ea83-0657-40cc-961b-f0ae9fb3019e >>> 385c60230b3f49da930dda4d089eda6b >>> 723aa12337a44f818b6d1e1a59f16e49 - default default] There are 1 hosts >>> available but 10 instances requested to build. select_destinations >>> /usr/lib/python2.7/dist-packages/nova/scheduler/filter_scheduler.py:10 >>> 1* >> >> It's unclear to me why it's trying to schedule 10 instances all at once. >> Did you originally create all the instances as part of a single boot request? >> >> Chris >> >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> > _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
